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CW6163系列普床改数控机床的PLC编程毕业设计.doc

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目录引言························································································ 4 第一章概述················································································· 5 数控系统的简介···················································································· 5 数控系统发展简史及趋势······································································· 5 数控( NC )阶段·················································································· 5 计算机数控( CNC )阶段······································································· 5 PLC 简介···························································································· 6 PLC 定义···························································································· 6 的结构与组成················································································ 6 的工作原理··················································································· 6 PLC 和 NC 的关系·················································································· 6 第二章 CK6163 数控机床的整体设计················································· 7 CK6163 的总体结构介绍·········································································· 7 数控机床的整体设计··············································································· 7 第三章数控系统选用······································································ 8 开环步进伺服系统: ··············································································· 8 闭环数控系统: ····················································································· 8 半闭环数控系统: ·················································································· 9 第四章数控机床强电控制···························································· 10 主轴电机的控制。················································································· 10 变频器、变频电机: ············································································· 11 、润滑系统的控制····

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